iezoelectric devices;Quality;Quality assessment;Quality assessment procedures;Quality requirements;Quartz crystal controlled oscillators;Quartz crystals;Specification (approval);Testing;Testing conditions;Type approval procedure;Types;Weighting system【摘要】: 【中国标准分类号】: L21【国际标准分类号】: 31_140【页数】: 86P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |